Activist 13D/13G Filings - American Superconductor Corporation (AMSC)

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company‚Äôs equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares are not adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Time period
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Reported
DateTime
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2023-07-05
08:53 am
Unchanged
13GAmerican Superconductor Corporation
AMSC
BAILLIE GIFFORD & CO1,491,370
4.93%
0
(Unchanged)
View
2023-02-14
10:52 am
Purchase
13GAmerican Superconductor Corporation
AMSC
AWM Investment Company Inc.2,536,283
8.7%
1,267,613increase
(+99.92%)
View
2023-02-07
6:39 pm
Sale
13GAmerican Superconductor Corporation
AMSC
Invesco Ltd.
IVZ
1,014,843
3.5%
-1,057,373decrease
(-51.03%)
View
2023-01-31
10:48 am
Purchase
13GAmerican Superconductor Corporation
AMSC
ROYCE & ASSOCIATES LP1,663,971
5.69%
1,663,971increase
(New Position)
View
2023-01-19
12:02 pm
Unchanged
13GAmerican Superconductor Corporation
AMSC
BAILLIE GIFFORD & CO1,491,370
5.1%
0
(Unchanged)
View
2022-07-08
4:56 pm
Sale
13GAmerican Superconductor Corporation
AMSC
BlackRock Inc.
BLK
522,946
1.8%
-1,383,203decrease
(-72.57%)
View
2022-02-14
06:33 am
Sale
13GAmerican Superconductor Corporation
AMSC
Footprints Asset Management & Research518,851
1.82%
-729,307decrease
(-58.43%)
View
2022-02-09
4:10 pm
Purchase
13GAmerican Superconductor Corporation
AMSC
Invesco Ltd.
IVZ
2,072,216
7.3%
177,054increase
(+9.34%)
View
2022-02-01
5:08 pm
Purchase
13GAmerican Superconductor Corporation
AMSC
BlackRock Inc.
BLK
1,906,149
6.7%
42,118increase
(+2.26%)
View
2022-01-18
07:15 am
Purchase
13GAmerican Superconductor Corporation
AMSC
BAILLIE GIFFORD & CO1,491,370
5.25%
1,491,370increase
(New Position)
View
2021-02-16
3:23 pm
Purchase
13GAmerican Superconductor Corporation
AMSC
Invesco Ltd.
IVZ
1,895,162
6.9%
855,876increase
(+82.35%)
View
2021-02-10
3:23 pm
Sale
13GAmerican Superconductor Corporation
AMSC
RENAISSANCE TECHNOLOGIES LLC916,975
3.32%
-317,642decrease
(-25.73%)
View
2021-01-28
5:56 pm
Purchase
13GAmerican Superconductor Corporation
AMSC
BlackRock Inc.
BLK
1,864,031
6.8%
451,970increase
(+32.01%)
View
2021-01-08
4:28 pm
Purchase
13GAmerican Superconductor Corporation
AMSC
AWM Investment Company Inc.1,268,670
4.6%
154,342increase
(+13.85%)
View
2020-06-19
4:05 pm
Sale
13GAmerican Superconductor Corporation
AMSC
DOUGLAS KEVIN1,126,696
11%
-912,552decrease
(-44.75%)
View
2020-02-13
06:03 am
Sale
13GAmerican Superconductor Corporation
AMSC
SATTERFIELD THOMAS A JR676,900
3.1%
-461,865decrease
(-40.56%)
View
2020-02-12
1:13 pm
Sale
13GAmerican Superconductor Corporation
AMSC
AWM Investment Company Inc.1,114,328
5.1%
-271,013decrease
(-19.56%)
View
2020-02-12
10:49 am
Purchase
13GAmerican Superconductor Corporation
AMSC
RENAISSANCE TECHNOLOGIES LLC1,234,617
5.67%
1,234,617increase
(New Position)
View
2020-02-07
08:45 am
Sale
13GAmerican Superconductor Corporation
AMSC
BlackRock Inc.
BLK
1,412,061
6.5%
-233,072decrease
(-14.17%)
View
2020-02-04
4:57 pm
Sale
13GAmerican Superconductor Corporation
AMSC
INTEGRATED CORE STRATEGIES (US) LLC0
0%
-1,095,249decrease
(Position Closed)
View
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